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Unfortunately, there is no grade of walnut lumber that can promise 100% sap-free heartwood on both sides of the board. Our suppliers provide walnut that is 80%+ heartwood on one side. Sometimes boards can have more heartwood content, but it’s just not guaranteed.

Basically, if you don’t like pale sapwood in your walnut you’ll need to 

  1. cut if off, or work around it
  2. consider using walnut veneer, or 
  3. consider a dye and stain technique to hide the sapwood 

We posted a more informative blog, which we encourage you to check out. It’ll take about 2 minutes of your time and will help you out. 

4 Things Woodworkers Should Know About Walnut Lumber


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